After Yuan Shikai served as the **Great**, he couldn't fully control the power of the Beiyang Army, and his personal power was very limited, so to a certain extent, it also made his future emperor come to naught. So why couldn't Yuan Shikai master the entire Beiyang Army?For example, when Yuan Shikai forcibly overthrew the rule of the Qing Dynasty, Zhang Xun and a group of Beiyang generals refused to recognize China**, and still regarded themselves as the official positions given by the Qing court, and at the same time, other Beiyang Army generals throughout the country were all with their own ghosts, and did not really want to support Yuan Shikai. So how did the situation of mutual containment within the Beiyang Army come about?
1. Yuan Shikai was only a representative of the Beiyang Army When the Beiyang Army was established, the Qing court gave full play to the characteristics of a modern army, and the commander could not completely control the characteristics of the army, so Yuan Shikai only became a representative of the Beiyang Army. The direction of Yuan Shikai's training of the Beiyang Army inherited Li Hongzhang's training style, hoping to build the Beiyang Army into an iron army that could be like the German Wehrmacht, but this training method was opposed by many other generals within the Beiyang Army, for example, after Zhang Zuolin pulled up the Beiyang Army in the northeast, he did not completely agree with Yuan Shikai's training methods, and in addition, the Beiyang Army also effectively imitated other powers to establish a new army, so a Beiyang Army presented a phenomenon of uneven levels. On the one hand, the Qing Dynasty was afraid of another fiasco like the First Sino-Japanese War, and on the other hand, the Qing court had been afraid of the Eight-Nation Alliance's war of aggression against China, so it did not dare to lead the war. However, in 1904, Japan attacked the northeast and wanted to seize the northeast, but the Russian army occupying the northeast was not vegetarian, and in this war, the Qing court sent an elite unit - the Beiyang Army to assist the Japanese army in order to recapture the northeast, the birthplace of the Qing Dynasty. In the battle with the Russian army, this Beiyang Army suffered heavy losses and basically fell under the muzzle of the Russian army's Maxine machine gun. Seeing that the Beiyang Army represented by Yuan Shikai only had such combat effectiveness, he accelerated the separation within the Beiyang Army, so that Yuan Shikai could not fully command the Beiyang Army at all. 
Second, the Beiyang Army has always been the main force in suppressing the revolutionary army in the Xinhai Revolution, but Yuan Shikai had the idea of overthrowing the Qing Dynasty and becoming the first leader, so this made other Beiyang Army generals have other ideas. Yuan Shikai hoped that the Beiyang Army would be unified internally, so as to form a unified China, but the overthrow of the Qing Dynasty was opposed by Zhang Xun and others, so Yuan Shikai did not openly make a statement that he would not attack the revolutionary army, but he talked with the Qing court behind his back. Later, after the Beiyang Army defeated the revolutionary army in Wuchang and Jiangnan, it received the news of the abdication of the Qing Emperor, which planted the seeds of Beiyang. After the abdication of the Qing Emperor, the generals of the Beiyang Army all had their own ghosts and desperately fought for their own interests, and Yuan Shikai was undoubtedly the biggest beneficiary. After becoming the **big**, Yuan Shikai became the supreme leader on the surface, but the actual scope of rule was still very small, and the internal centrifugation of the Beiyang Army accelerated. It is precisely because the Beiyang Army is a modern army, so even Yuan Shikai, as the commander-in-chief, cannot fully mobilize the Beiyang Army, not to mention that the Beiyang Army's military orders at that time were still the military orders of the Qing Dynasty emperor, but in the ** period, it became a large** military order, but Yuan Shikai was usurped by power, so his military order was basically not recognized, so soon after the establishment of **, the Beiyang Army was divided and competed for interests, and Yuan Shikai could not fully command the entire Beiyang Army. 
3. Summary: As a new-style army established by the Qing Dynasty after learning the lessons of the defeat in the First Sino-Japanese War, the Beiyang Army was organized and trained according to the establishment of the German Army. This made a centrifugal force in the Beiyang Army, but in essence, the Beiyang Army was a modern army, and Yuan Shikai was only a commander-in-chief, and he could not fully control this army, which led to the situation of the Beiyang warlords fighting in the early days.